Finding the Fourth Proportional to 928,175.97, 1,392,265.15 and 254,263.19
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Solution
The fourth proportional to 928,175.97, 1,392,265.15 and 254,263.19 is: 381,395.11
Step by Step Solution
- Step 1: Write the proportion equation
928,175.97 : 1,392,265.15 = 254,263.19 : x - Step 2: Convert to fraction form
928,175.97/1,392,265.15 = 254,263.19/x - Step 3: Cross multiply
928,175.97x = 1,392,265.15 × 254,263.19 - Step 4: Simplify right side
928,175.97x = 354,001,778,364.83 - Step 5: Solve for x
x = 354,001,778,364.83/928,175.97 - Step 6: Final answer
x = 381,395.11
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.